Simply Exponential
Writing using the nth root.
42.5
sqrt(45)
3x=81
x=4
7x=14
In logarithmic form
log714=x
log22
1
Evaluate log521
a-3
Written with positive exponents
1/a3
53x=1252
x=3/4
log425=y
In exponential form
4y=25
logex
lnx
Condense.
log (5)+1
log50
(61/3)2
Written as an nth root.
cube root(36) or cube root(62)
27x=9x-2
x=-4
2(5)=x+1
In logarithmic form
log553
3
What is log321
7
3x-4
Written with positive exponents
3/x4
(y5x)2=y-5
x=-1/2
ln7=x
In exponential form
ex=7
logx1
0
ln[(x2y1/2)/x]
(x-3y2z4)/(y3z-1)
Simplified
z5/x3y
1/36=6x+2
x=-4
ex=12
In logarithmic form
log-108
Undefined
Simplify.
lne6-lne2+lne
5